(19)
(11) EP 1 289 098 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
02.01.2004 Bulletin 2004/01

(43) Date of publication A2:
05.03.2003 Bulletin 2003/10

(21) Application number: 02004215.6

(22) Date of filing: 25.02.2002
(51) International Patent Classification (IPC)7: H02K 5/02, H02K 5/04, F02N 11/00
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 06.08.2001 JP 2001237463

(71) Applicants:
  • Hitachi, Ltd.
    Chiyoda-ku, Tokyo 101-8010 (JP)
  • Hitachi Car Engineering Co., Ltd.
    Hitachinaka-shi, Ibaraki 312-0062 (JP)

(72) Inventors:
  • Abe, Mitsutoshi
    Hitachinaka-shi, Ibaraki 312-0053 (JP)
  • Yumiyama, Shigeru
    Hitachinaka-shi, Ibaraki 312-0062 (JP)
  • Mori, Kazuyuki
    Hitachinaka-shi, Ibaraki 312-0002 (JP)

(74) Representative: Beetz & Partner Patentanwälte 
Steinsdorfstrasse 10
80538 München
80538 München (DE)

   


(54) Electrical equipment for mounting on vehicles, electrical machines, and manufacturing methods of the same


(57) The object of the present invention is to provide electrical equipment for mounting on vehicles and electrical machines having superior rust-prevention film, which makes it possible to prevent vehicles from generating red rust even if outer surface of magnetic core housing of the vehicle is damaged by bouncing a stone and the like during running, and also to provide manufacturing methods of the same. The present invention relates to an electric equipment for mounting on vehicles; wherein any of outer surface and surface exposed to outward of magnetic core housing is coated sequentially with a metal plated layer or an alkali zinc plated layer, chromate film or zinc phosphate film, and organic resin coating; and a rotary electric machines (1) using same; an electromagnetic switches (2) using same; a starter for internal combustion engine using same; and manufacturing methods for them.






Search report